diff --git a/solr/licenses/jcl-over-slf4j-2.0.5.jar.sha1 b/solr/licenses/jcl-over-slf4j-2.0.5.jar.sha1
deleted file mode 100644
index 209fc7fad95..00000000000
--- a/solr/licenses/jcl-over-slf4j-2.0.5.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-39056233ed2275b69f25605acc6459bfa9548bc6
diff --git a/solr/licenses/jcl-over-slf4j-2.0.6.jar.sha1 b/solr/licenses/jcl-over-slf4j-2.0.6.jar.sha1
new file mode 100644
index 00000000000..4930657c544
--- /dev/null
+++ b/solr/licenses/jcl-over-slf4j-2.0.6.jar.sha1
@@ -0,0 +1 @@
+839ff57e112f2e28ef372e96d135696a6896b9ad
diff --git a/solr/licenses/jul-to-slf4j-2.0.5.jar.sha1 b/solr/licenses/jul-to-slf4j-2.0.5.jar.sha1
deleted file mode 100644
index 0199d301ace..00000000000
--- a/solr/licenses/jul-to-slf4j-2.0.5.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-2ed62de4e6c7783867cdfec90ef0121ddda59b79
diff --git a/solr/licenses/jul-to-slf4j-2.0.6.jar.sha1 b/solr/licenses/jul-to-slf4j-2.0.6.jar.sha1
new file mode 100644
index 00000000000..bb90de37a2b
--- /dev/null
+++ b/solr/licenses/jul-to-slf4j-2.0.6.jar.sha1
@@ -0,0 +1 @@
+c4d348977a83a0bfcf42fd6fd1fee6e7904f1a0c
diff --git a/solr/licenses/log4j-1.2-api-2.19.0.jar.sha1 b/solr/licenses/log4j-1.2-api-2.19.0.jar.sha1
deleted file mode 100644
index 0568b12a5a3..00000000000
--- a/solr/licenses/log4j-1.2-api-2.19.0.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-0e8d839e89e44f06ed901bb8b681161ad3131fd5
diff --git a/solr/licenses/log4j-1.2-api-2.20.0.jar.sha1 b/solr/licenses/log4j-1.2-api-2.20.0.jar.sha1
new file mode 100644
index 00000000000..ac95ee746ec
--- /dev/null
+++ b/solr/licenses/log4j-1.2-api-2.20.0.jar.sha1
@@ -0,0 +1 @@
+689151374756cb809cb029f2501015bdc7733179
diff --git a/solr/licenses/log4j-api-2.19.0.jar.sha1 b/solr/licenses/log4j-api-2.19.0.jar.sha1
deleted file mode 100644
index dea51ab21ff..00000000000
--- a/solr/licenses/log4j-api-2.19.0.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-ea1b37f38c327596b216542bc636cfdc0b8036fa
diff --git a/solr/licenses/log4j-api-2.20.0.jar.sha1 b/solr/licenses/log4j-api-2.20.0.jar.sha1
new file mode 100644
index 00000000000..390ef64b01e
--- /dev/null
+++ b/solr/licenses/log4j-api-2.20.0.jar.sha1
@@ -0,0 +1 @@
+1fe6082e660daf07c689a89c94dc0f49c26b44bb
diff --git a/solr/licenses/log4j-core-2.19.0.jar.sha1 b/solr/licenses/log4j-core-2.19.0.jar.sha1
deleted file mode 100644
index c2931b29890..00000000000
--- a/solr/licenses/log4j-core-2.19.0.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-3b6eeb4de4c49c0fe38a4ee27188ff5fee44d0bb
diff --git a/solr/licenses/log4j-core-2.20.0.jar.sha1 b/solr/licenses/log4j-core-2.20.0.jar.sha1
new file mode 100644
index 00000000000..6272a4a0858
--- /dev/null
+++ b/solr/licenses/log4j-core-2.20.0.jar.sha1
@@ -0,0 +1 @@
+eb2a9a47b1396e00b5eee1264296729a70565cc0
diff --git a/solr/licenses/log4j-layout-template-json-2.19.0.jar.sha1 b/solr/licenses/log4j-layout-template-json-2.19.0.jar.sha1
deleted file mode 100644
index 98bbe28cc1b..00000000000
--- a/solr/licenses/log4j-layout-template-json-2.19.0.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-e86db7ff1fab823b44439f55655006e95548f774
diff --git a/solr/licenses/log4j-layout-template-json-2.20.0.jar.sha1 b/solr/licenses/log4j-layout-template-json-2.20.0.jar.sha1
new file mode 100644
index 00000000000..ba0ad6db32b
--- /dev/null
+++ b/solr/licenses/log4j-layout-template-json-2.20.0.jar.sha1
@@ -0,0 +1 @@
+16f2e5669f4e4173fc446007e8b85aa2313df33b
diff --git a/solr/licenses/log4j-slf4j2-impl-2.19.0.jar.sha1 b/solr/licenses/log4j-slf4j2-impl-2.19.0.jar.sha1
deleted file mode 100644
index 46e408e6b37..00000000000
--- a/solr/licenses/log4j-slf4j2-impl-2.19.0.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-5c04bfdd63ce9dceb2e284b81e96b6a70010ee10
diff --git a/solr/licenses/log4j-slf4j2-impl-2.20.0.jar.sha1 b/solr/licenses/log4j-slf4j2-impl-2.20.0.jar.sha1
new file mode 100644
index 00000000000..5c2144b9c61
--- /dev/null
+++ b/solr/licenses/log4j-slf4j2-impl-2.20.0.jar.sha1
@@ -0,0 +1 @@
+155c8b9bbdac91d8461d9a403a646e6bd0d365d8
diff --git a/solr/licenses/log4j-web-2.19.0.jar.sha1 b/solr/licenses/log4j-web-2.19.0.jar.sha1
deleted file mode 100644
index 1f23fe59135..00000000000
--- a/solr/licenses/log4j-web-2.19.0.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-6933767a88b585bee0693e891795dba1256bfcbf
diff --git a/solr/licenses/log4j-web-2.20.0.jar.sha1 b/solr/licenses/log4j-web-2.20.0.jar.sha1
new file mode 100644
index 00000000000..586ef6986b9
--- /dev/null
+++ b/solr/licenses/log4j-web-2.20.0.jar.sha1
@@ -0,0 +1 @@
+3877f128ebc8655c4a48944ebf3e2c94de1bfbed
diff --git a/solr/licenses/slf4j-api-2.0.5.jar.sha1 b/solr/licenses/slf4j-api-2.0.5.jar.sha1
deleted file mode 100644
index 37c0fb54abd..00000000000
--- a/solr/licenses/slf4j-api-2.0.5.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-3a759df277e854f7c4ca951e5899bcec0dbdca73
diff --git a/solr/licenses/slf4j-api-2.0.6.jar.sha1 b/solr/licenses/slf4j-api-2.0.6.jar.sha1
new file mode 100644
index 00000000000..8b9d1873580
--- /dev/null
+++ b/solr/licenses/slf4j-api-2.0.6.jar.sha1
@@ -0,0 +1 @@
+88c40d8b4f33326f19a7d3c0aaf2c7e8721d4953
diff --git a/versions.lock b/versions.lock
index 604e495208a..9546c53c167 100644
--- a/versions.lock
+++ b/versions.lock
@@ -201,12 +201,12 @@ org.apache.kerby:kerby-asn1:1.0.1 (1 constraints: fd0be9f4)
 org.apache.kerby:kerby-config:1.0.1 (4 constraints: 4d3182b9)
 org.apache.kerby:kerby-pkix:1.0.1 (1 constraints: 710bfce4)
 org.apache.kerby:kerby-util:1.0.1 (2 constraints: 6518bdb6)
-org.apache.logging.log4j:log4j-1.2-api:2.19.0 (1 constraints: 3e054a3b)
-org.apache.logging.log4j:log4j-api:2.19.0 (9 constraints: ba6f36df)
-org.apache.logging.log4j:log4j-core:2.19.0 (4 constraints: 98447217)
-org.apache.logging.log4j:log4j-layout-template-json:2.19.0 (1 constraints: 3e054a3b)
-org.apache.logging.log4j:log4j-slf4j2-impl:2.19.0 (1 constraints: 3e054a3b)
-org.apache.logging.log4j:log4j-web:2.19.0 (1 constraints: 3e054a3b)
+org.apache.logging.log4j:log4j-1.2-api:2.20.0 (1 constraints: 3605333b)
+org.apache.logging.log4j:log4j-api:2.20.0 (9 constraints: 926f5bba)
+org.apache.logging.log4j:log4j-core:2.20.0 (5 constraints: 8155c9ee)
+org.apache.logging.log4j:log4j-layout-template-json:2.20.0 (1 constraints: 3605333b)
+org.apache.logging.log4j:log4j-slf4j2-impl:2.20.0 (1 constraints: 3605333b)
+org.apache.logging.log4j:log4j-web:2.20.0 (1 constraints: 3605333b)
 org.apache.lucene:lucene-analysis-common:9.4.2 (10 constraints: e89eec62)
 org.apache.lucene:lucene-analysis-icu:9.4.2 (1 constraints: 11052636)
 org.apache.lucene:lucene-analysis-kuromoji:9.4.2 (1 constraints: 11052636)
@@ -345,9 +345,9 @@ org.ow2.asm:asm-tree:9.4 (2 constraints: 11129514)
 org.quicktheories:quicktheories:0.26 (1 constraints: dc04f530)
 org.reactivestreams:reactive-streams:1.0.3 (3 constraints: 3c2b02fd)
 org.semver4j:semver4j:2.2.0 (1 constraints: 0605fb35)
-org.slf4j:jcl-over-slf4j:2.0.5 (3 constraints: cb17dfa5)
-org.slf4j:jul-to-slf4j:2.0.5 (3 constraints: 2528cf47)
-org.slf4j:slf4j-api:2.0.5 (59 constraints: 6013f3b3)
+org.slf4j:jcl-over-slf4j:2.0.6 (3 constraints: cb17dfa5)
+org.slf4j:jul-to-slf4j:2.0.6 (3 constraints: 2528cf47)
+org.slf4j:slf4j-api:2.0.6 (59 constraints: 681354d4)
 org.tallison:isoparser:1.9.41.7 (1 constraints: fb0c5528)
 org.tallison:jmatio:1.5 (1 constraints: ff0b57e9)
 org.tallison:metadata-extractor:2.17.1.0 (1 constraints: f00c3b28)
diff --git a/versions.props b/versions.props
index d3d3a014a92..16d0ed65f81 100644
--- a/versions.props
+++ b/versions.props
@@ -50,7 +50,7 @@ org.apache.httpcomponents:httpclient=4.5.13
 org.apache.httpcomponents:httpcore=4.4.15
 org.apache.httpcomponents:httpmime=4.5.13
 org.apache.kerby:*=1.0.1
-org.apache.logging.log4j:*=2.19.0
+org.apache.logging.log4j:*=2.20.0
 org.apache.lucene:*=9.4.2
 org.apache.opennlp:opennlp-tools=1.9.4
 org.apache.tika:*=1.28.4